<template>
    <div v-if="showDialog">
      <transition name="fade" appear>
        <div class="modal-overlay"></div>
      </transition>
      <transition name="pop" appear>
        <div class="modal" role="dialog" :style="{ width: `${width}px` }">
          <div class="model-title">
            <div class="title-text">
              <span>{{ title }}</span>
              <div class="icon-close" v-if="showClose">
                <i class="el-icon-close" @click="close"></i>
              </div>
            </div>
            <div class="semiel-lipse"></div>
          </div>
          <div class="model-body">
            <slot></slot>
          </div>
          <div class="footer_btn">
            <div class="dis_in_center" v-if="showConfimButton">
              <el-button
                :disabled="disabled"
                :type="confimBtnType"
                :loading="confimBtnLoading"
                :size="size"
                @click="confim"
              >
                {{ confimText }}
              </el-button>
            </div>
            <div class="dis_in_center right-btn" :class="{ margin_left_20: showCancelButton }" v-if="showCancelButton">
              <el-button plain :type="cancelType" :size="size" @click="close">{{ cancelText }}</el-button>
            </div>
          </div>
        </div>
      </transition>
    </div>
  </template>
  <script>
  export default {
    name: 'CustomDialog',
    components: {},
    model: {
      prop: 'showDialog',
      event: 'change'
    },
    props: {
      // 弹框的显示隐藏
      showDialog: {
        type: Boolean,
        default: false
      },
      // 底部按钮大小
      size: {
        type: String,
        default: 'medium'
      },
      // 宽度设置
      width: {
        type: [String, Number],
        default: '600'
      },
      // 是否显示右上角的关闭按钮
      showClose: {
        type: Boolean,
        default: true
      },
      // 弹框标题
      title: {
        type: String,
        default: '标题'
      },
      // 确认按钮
      confimText: {
        type: String,
        default: '保存'
      },
      // 确认按钮loading
      confimBtnLoading: {
        type: Boolean,
        default: false
      },
      // 是否显示确认按钮
      showConfimButton: {
        type: Boolean,
        default: true
      },
      // 是否显示取消按钮
      showCancelButton: {
        type: Boolean,
        default: true
      },
      // 是否禁用确认按钮
      disabled: {
        type: Boolean,
        default: false
      },
      // 确认按钮类型
      confimBtnType: {
        type: String,
        default: 'primary'
      },
      // 取消按钮类型
      cancelType: {
        type: String,
        default: 'info'
      },
      // 取消按钮文本
      cancelText: {
        type: String,
        default: '取消'
      },
      // 关闭按钮前的事件处理
      beforeClose: {
        type: Function,
        default: () => {
          return true;
        }
      }
    },
    methods: {
      close() {
        const data = this.beforeClose();
        if (!data) return;
        this.$emit('change', false);
      },
      confim() {
        this.$emit('confim', false);
      }
    }
  };
  </script>
  <style scoped>
  .modal {
    position: absolute;
    position: fixed;
    top: 0;
    right: 0;
    bottom: 0;
    left: 0;
    margin: auto;
    height: fit-content;
    box-shadow: 0px 5px 15px 0px rgba(255, 102, 0, 0.3);
    min-width: 400px;
    border-radius: 1rem;
    overflow: hidden;
    background: #fff;
    z-index: 999;
    border-radius: 4px;
    transform: none;
  }
  
  .model-body {
    padding: 2rem;
    min-height: 2rem;
    max-height: 50vh;
    overflow-y: auto;
  }
  
  .model-title {
    position: relative;
    height: 64px;
    text-align: center;
    overflow: hidden;
    line-height: 64px;
    width: 100%;
    color: #fff;
    font-size: 18px;
  }
  
  .semiel-lipse {
    position: absolute;
    width: 110%;
    left: -5%;
    height: 150%;
    top: -50%;
    background: rgba(255, 102, 0, 0.8);
    border-radius: 0% 0% 50% 50%;
  }
  
  .title-text {
    position: relative;
    z-index: 1000;
  }
  
  .icon-close {
    position: absolute;
    right: 42px;
    top: 0;
    line-height: 44px;
  }
  
  .icon-close i {
    cursor: pointer;
  }
  
  .modal-overlay {
    content: '';
    position: absolute;
    position: fixed;
    top: 0;
    right: 0;
    bottom: 0;
    left: 0;
    z-index: 998;
    background: rgba(0, 0, 0, 0.4);
  }
  
  .footer_btn {
    text-align: center;
    padding-bottom: 20px;
    padding-top: 20px;
    border-top: 1px solid #f5f5f5;
  }
  
  .dis_in_center {
    display: inline-block;
    vertical-align: middle;
  }
  
  .right-btn {
    margin-left: 20px;
  }
  
  /* ---------------------------------- */
  .fade-enter-active,
  .fade-leave-active {
    transition: opacity 0.4s linear;
  }
  
  .fade-enter,
  .fade-leave-to {
    opacity: 0;
  }
  
  .pop-enter-active,
  .pop-leave-active {
    transition: transform 0.4s cubic-bezier(0.5, 0, 0.5, 1), opacity 0.4s linear;
  }
  
  .pop-enter,
  .pop-leave-to {
    opacity: 0;
    transform: scale(0.3) translateY(-50%);
  }
  </style>